CXA1797Q
Specifications
Min. Typ. Max.
0.08 0.3
Block
Item
Conditions
Unit
%
DOLBY
Dolby C total harmonic distortion REC, Dolby C mode
—
Input a 1 kHz, +10 dB signal to the REC IN pin and measure
the distortion. (Measure the distortion as THD + N.)
REC, Dolby C mode, Rg = 5.1 kΩ
DOLBY
REC mode
60.0 61.0
—
dB
Dolby C S/N ratio
With no signal, measure the noise using the CCIR/ARM
filter. (The measured value is indicated as the relative
value compared to the DOLBY OUT level.)
PB, NR off mode
DOLBY
DOLBY
DOLBY
DOLBY
DOLBY
PB mode
—
—
–79 –70 dB
–90 –70 dB
–84 –65 dB
–85 –65 dB
Recording → playback crosstalk Input a 1 kHz, +10 dB signal to the REC IN pin and
measure the REC → PB crosstalk. (Use a 1 kHz BPF.)
REC mode
REC, NR off mode
Playback → recording crosstalk Input a 1 kHz, +10 dB signal to the NR PB IN pin and
measure the PB → REC crosstalk. (Use a 1 kHz BPF.)
REC mode
PB, NR off mode
—
Channel crosstalk
Input a 1 kHz, +10 dB signal to the REC IN pin and
measure the channel crosstalk. (Use a 1 kHz BPF.)
PB, NR off mode
PB mode
—
Channel crosstalk
Input a 1 kHz, +10 dB signal to the NR PB IN pin and
measure the channel crosstalk. (Ues a 1 kHz BPF.)
REC mode, NR off → B type
REC mode
–100
—
—
100 mV
100 mV
Output DC offset voltage 1
(REC OUT pin)
With no signal, measure the deviation in the output DC
offset voltage at the REC OUT pin when switching from
NR off mode to B type mode.
DOLBY
REC mode
REC mode, NR off → C type
–100
Output DC offset voltage 2
(REC OUT pin)
With no signal, measure the deviation in the output DC
offset voltage at the REC OUT pin when switching from
NR off mode to C type mode.
Logic
Logic
Logic
Logic
Logic
Logic
Logic
Logic
Logic
Logic
High level input voltage
Low level input voltage
Clock frequency
Clock pulse width
Data setup time
ViH
3.5
—
—
1
—
—
—
—
—
—
—
—
—
—
—
V
V
ViL
1.5
fck
500 kHz
tw
—
—
—
—
—
—
—
µs
µs
µs
µs
µs
µs
µs
tsu(DATA→CLK)
tH(CLK→DATA)
tw(DATA)
1
Data hold time
1
Latch pulse width
Latch setup time
Latch hold time
1
ts(LATCH→DATA)
tH(CLK→LATCH)
tw(XRST)
1
1
Reset pulse width
1
—18—
SONY [ SONY CORPORATION ]
